Advanced Oxidation Processes: Applications and Prospects, 2nd Volume

Topic Information

Dear Colleagues,

Currently, advanced oxidation technologies have begun to be taken seriously as green technologies and are highly efficient in terms of final yields since they are chemical reactions that can be controlled and directed according to the end goals in each case. Thus far, they have been considered emerging technologies to be of little application at the industrial level as they are commonly considered relatively expensive compared with conventional technologies. This consideration is not entirely true since, in many cases, the investment and operating costs of these technologies can be low as they are simple technologies, and with the right choice of materials and equipment, they can be attractive technologies from an industrial and economic point of view. Regarding operating costs (chemicals and energy costs), these costs depend on the geographical area where the industrial plant is finally located. The degree of previous optimization of these technologies is also important in each case, which usually implies a notable reduction in costs, especially when considering the circular economy of the processes in which these technologies are applied.

Advanced oxidation technologies can be used individually or incorporated into more complete processes or bioprocesses. In this sense and as a non-limiting example, they can be applied in wastewater treatment as a main technology/for pretreatment or as a final operation for the adjustment of the final percentages required by current legislation.

The editors of the first edition of this topic are pleased to launch the second edition, which is a continuation of the work presented in the first edition given the good reception and the great interest shown by the high level of authors’ participation. This second edition is being launched to give new authors a chance to disclose and publish their results, and previous authors who participated in the first edition are invited to contribute again with new results and technologies.

This second volume is a multidisciplinary topic of the journals Catalysts, Processes, Sci, and Water; the aim is to extend our knowledge of the current state of the art related to current and possible future applications of advanced oxidation processes.

Prof. Dr. Gassan Hodaifa
Prof. Dr. Antonio Zuorro
Dr. Joaquín R. Dominguez
Prof. Dr. Juan García Rodríguez
Prof. Dr. José A. Peres
Dr. Zacharias Frontistis
Dr. Mha Albqmi
Topic Editors

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Participating Journals

Journal Name	Impact Factor	CiteScore	Launched Year	First Decision (median)	APC
Catalysts catalysts	3.9	6.3	2011	14.3 Days	CHF 2700	Submit
Processes processes	3.5	4.7	2013	13.7 Days	CHF 2400	Submit
Sci sci	-	3.1	2019	47.7 Days	CHF 1200	Submit
Water water	3.4	5.5	2009	16.5 Days	CHF 2600	Submit

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All Catalysts Processes Sci Water

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15 pages, 3505 KiB  

Open AccessFeature PaperArticle

Enhanced UV/H₂O₂ System for the Oxidation of Organic Contaminants and Ammonia Transformation from Tannery Effluents

by Néstor A. Urbina-Suarez, German L. López-Barrera, Janet B. García-Martínez, Andrés F. Barajas-Solano, Fiderman Machuca-Martínez and Antonio Zuorro

Processes 2023, 11(11), 3091; https://doi.org/10.3390/pr11113091 - 27 Oct 2023

Viewed by 829

Abstract

In this work, a UV/H₂O₂ system in real tannery wastewater was evaluated by an experimental design with optimal stage 2-level I-optimal reaction surface using Design Expert software to analyze the effects of temperature, pH, UV lamp power (W), and H [...] Read more.

In this work, a UV/H₂O₂ system in real tannery wastewater was evaluated by an experimental design with optimal stage 2-level I-optimal reaction surface using Design Expert software to analyze the effects of temperature, pH, UV lamp power (W), and H₂O₂ concentration on COD removal and nitrification. It was found that pH and temperature were the variables that affected the process the most. It was found that an acidic pH of 4.5–5.5 and temperatures between 50 and 70 °C favored improved COD and ammonium oxidation. The process conditions—temperature 54.6 °C, pH 4, pW-UV 60 W and hydrogen peroxide 0.5—were confirmed in the next phase of the study using a one-way statistical analysis ANOVA. Under these conditions, the nitrite removal rate was 98.4%, ammonium 94.53%, chromium 92.3%, chlorides 62.4%, BOD 67.4%, COD 44.5%, and color 48%. Full article

(This article belongs to the Topic Advanced Oxidation Processes: Applications and Prospects, 2nd Volume)

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14 pages, 1092 KiB  

Open AccessArticle

Emerging Contaminants Decontamination of WWTP Effluents by BDD Anodic Oxidation: A Way towards Its Regeneration

by Joaquin R. Dominguez, Teresa González, Sergio E. Correia and Maria M. Núñez

Water 2023, 15(9), 1668; https://doi.org/10.3390/w15091668 - 25 Apr 2023

Cited by 2 | Viewed by 1269

Abstract

Electrochemical oxidation using a boron-doped diamond anode (EO-BDD) was tested to remove emerging contaminants commonly present in wastewater treatment plant effluents (WWTPe). The main objective of the work was the regeneration of this water for its possible reuse in high-quality demanding uses. In [...] Read more.

Electrochemical oxidation using a boron-doped diamond anode (EO-BDD) was tested to remove emerging contaminants commonly present in wastewater treatment plant effluents (WWTPe). The main objective of the work was the regeneration of this water for its possible reuse in high-quality demanding uses. In the first part of the work, we investigated the potential of this technique for removing a group of neonicotinoid pesticides (thiamethoxam (TMX), imidacloprid (ICP), acetamiprid (ACP), and thiacloprid (TCP)) in a WWTP effluent. The influence of operating variables, such as current density, the conductivity of media, supporting electrolyte type (Na₂SO₄, NaCl or NaNO₃), or the natural aqueous matrix on target variables were fully established. Selected target variables were: (1) the percentage of pollutant removal, (2) the kinetics (apparent pseudo-first-order kinetic rate constant), (3) total organic carbon (TOC) removal, and (4) the specific energy consumption (SEC). A response surface methodology (RSM) was applied to model the results for all cases. In the paper’s final part, this technology was tested with a more broad group of common emerging pollutants, including some azole pesticides (such as fluconazole (FLZ), imazalil (IMZ), tebuconazole (TBZ), or penconazole (PNZ)), antibiotics (amoxicillin (AMX), trimethoprim (TMP), and sulfamethoxazole (SMX)), and an antidepressant (desvenlafaxine (DVF)). The results confirm the power of this technology to remove this emerging contamination in WWTP effluents which supposes an interesting way towards its regeneration. Full article

(This article belongs to the Topic Advanced Oxidation Processes: Applications and Prospects, 2nd Volume)

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